The heads up display is created by creating a mirror image of the GPS speedometer screen .GPS Odometer App has taken the conventional speedometer and odometer to the next level by incorporating GPS based readings and futuristic Heads up display also called HUD. * Supports different scales, including kilometers per hour (km / h), meters per second, miles per hour (mph), and speed scale nodes. * This mobile voice speedometer also has a speed alarm. Set a speed limit and your phone will inform you. * You can enable or disable the alarm Measure everything on your trip It does not matter whether it is the maximum speed or the average speed, the car's travel counter and the travel odometer application will measure and preserve it.